/// <summary>
        /// Writes a signed integer using 1 to 32 bits
        /// </summary>
        public void Write(Int32 source, int numberOfBits)
        {
            Debug.CheckArgument((numberOfBits > 0 && numberOfBits <= 32), "Write(int, numberOfBits) can only write between 1 and 32 bits");
            EnsureBufferSize(m_bitLength + numberOfBits);

            if (numberOfBits != 32)
            {
                // make first bit sign
                int signBit = 1 << (numberOfBits - 1);
                if (source < 0)
                {
                    source = (-source - 1) | signBit;
                }
                else
                {
                    source &= (~signBit);
                }
            }

            BitWriter.WriteUInt32((uint)source, numberOfBits, m_data, m_bitLength);

            m_bitLength += numberOfBits;
        }
Пример #2
0
        /// <summary>
        /// Writes the specified number of bits into a byte array
        /// </summary>
        public static int WriteUInt64(ulong source, int numberOfBits, byte[] destination, int destinationBitOffset)
        {
#if BIGENDIAN
            source = ((source & 0xff00000000000000L) >> 56) |
                     ((source & 0x00ff000000000000L) >> 40) |
                     ((source & 0x0000ff0000000000L) >> 24) |
                     ((source & 0x000000ff00000000L) >> 8) |
                     ((source & 0x00000000ff000000L) << 8) |
                     ((source & 0x0000000000ff0000L) << 24) |
                     ((source & 0x000000000000ff00L) << 40) |
                     ((source & 0x00000000000000ffL) << 56);
#endif

            int returnValue = destinationBitOffset + numberOfBits;
            if (numberOfBits <= 8)
            {
                BitWriter.WriteByte((byte)source, numberOfBits, destination, destinationBitOffset);
                return(returnValue);
            }
            BitWriter.WriteByte((byte)source, 8, destination, destinationBitOffset);
            destinationBitOffset += 8;
            numberOfBits         -= 8;

            if (numberOfBits <= 8)
            {
                BitWriter.WriteByte((byte)(source >> 8), numberOfBits, destination, destinationBitOffset);
                return(returnValue);
            }
            BitWriter.WriteByte((byte)(source >> 8), 8, destination, destinationBitOffset);
            destinationBitOffset += 8;
            numberOfBits         -= 8;

            if (numberOfBits <= 8)
            {
                BitWriter.WriteByte((byte)(source >> 16), numberOfBits, destination, destinationBitOffset);
                return(returnValue);
            }
            BitWriter.WriteByte((byte)(source >> 16), 8, destination, destinationBitOffset);
            destinationBitOffset += 8;
            numberOfBits         -= 8;

            if (numberOfBits <= 8)
            {
                BitWriter.WriteByte((byte)(source >> 24), numberOfBits, destination, destinationBitOffset);
                return(returnValue);
            }
            BitWriter.WriteByte((byte)(source >> 24), 8, destination, destinationBitOffset);
            destinationBitOffset += 8;
            numberOfBits         -= 8;

            if (numberOfBits <= 8)
            {
                BitWriter.WriteByte((byte)(source >> 32), numberOfBits, destination, destinationBitOffset);
                return(returnValue);
            }
            BitWriter.WriteByte((byte)(source >> 32), 8, destination, destinationBitOffset);
            destinationBitOffset += 8;
            numberOfBits         -= 8;

            if (numberOfBits <= 8)
            {
                BitWriter.WriteByte((byte)(source >> 40), numberOfBits, destination, destinationBitOffset);
                return(returnValue);
            }
            BitWriter.WriteByte((byte)(source >> 40), 8, destination, destinationBitOffset);
            destinationBitOffset += 8;
            numberOfBits         -= 8;

            if (numberOfBits <= 8)
            {
                BitWriter.WriteByte((byte)(source >> 48), numberOfBits, destination, destinationBitOffset);
                return(returnValue);
            }
            BitWriter.WriteByte((byte)(source >> 48), 8, destination, destinationBitOffset);
            destinationBitOffset += 8;
            numberOfBits         -= 8;

            if (numberOfBits <= 8)
            {
                BitWriter.WriteByte((byte)(source >> 56), numberOfBits, destination, destinationBitOffset);
                return(returnValue);
            }
            BitWriter.WriteByte((byte)(source >> 56), 8, destination, destinationBitOffset);
            destinationBitOffset += 8;
            numberOfBits         -= 8;

            return(returnValue);
        }
 /// <summary>
 /// Writes a signed byte
 /// </summary>
 public void Write(sbyte source)
 {
     EnsureBufferSize(m_bitLength + 8);
     BitWriter.WriteByte((byte)source, 8, m_data, m_bitLength);
     m_bitLength += 8;
 }
 /// <summary>
 /// Writes a boolean value using 1 bit
 /// </summary>
 public void Write(bool value)
 {
     EnsureBufferSize(m_bitLength + 1);
     BitWriter.WriteByte((value ? (byte)1 : (byte)0), 1, m_data, m_bitLength);
     m_bitLength += 1;
 }
 /// <summary>
 /// Writes an unsigned integer using 1 to 64 bits
 /// </summary>
 public void Write(UInt64 source, int numberOfBits)
 {
     EnsureBufferSize(m_bitLength + numberOfBits);
     BitWriter.WriteUInt64(source, numberOfBits, m_data, m_bitLength);
     m_bitLength += numberOfBits;
 }
 /// <summary>
 /// Writes a 64 bit unsigned integer
 /// </summary>
 public void Write(UInt64 source)
 {
     EnsureBufferSize(m_bitLength + 64);
     BitWriter.WriteUInt64(source, 64, m_data, m_bitLength);
     m_bitLength += 64;
 }
 /// <summary>
 /// Writes a 32 bit unsigned integer
 /// </summary>
 public void Write(UInt32 source)
 {
     EnsureBufferSize(m_bitLength + 32);
     BitWriter.WriteUInt32(source, 32, m_data, m_bitLength);
     m_bitLength += 32;
 }
 /// <summary>
 /// Writes a signed 16 bit integer
 /// </summary>
 public void Write(Int16 source)
 {
     EnsureBufferSize(m_bitLength + 16);
     BitWriter.WriteUInt16((ushort)source, 16, m_data, m_bitLength);
     m_bitLength += 16;
 }